Be动词和一般疑问句

Be动词和一般疑问句,IamKangkang.Iamastudent.Youaremyfriend.Youareagoodperson.SheisfromCanada.HeisMr.Tang.Itismybook.,Sheisagoodgirl.MynameisMrTang.Thisbookisred.Wearestudents.Theyaregoodgirls.Thesebooksarered.,口诀我(I)用am，你(you)用are，is用于他(he)她(she)它(it)。单数is，复数are,人称代词主格和Be动词的搭配,rfref,mjm,1.Theylate.A.amB.isC.are2.Youstudent.A.amB.isC.are3.Thecloudwhite.A.amB.isC.are4.Iastudent.Youateacher.A.amisB.amareC.isare5.Wefriends.A.amB.isC.are6.Hemyfather.Shemymother.Theybothdoctors.A.isisareB.amisareC.isisam,ImAliceWang.Imapupil.Imnineyearsold.Imtall.Nicetomeetyou.,ImnotAliceWang.Imnotapupil.Imnotnineyearsold.Imnottall.Nicetomeetyou.,YoureSunny.Youreateacher.Youaretall.Youarethin.Nicetomeetyou.,not,not,arent,arent,Sheisaqueen.Sheisbig.Sheislovely.,isnt,isnt,isnt,人称代词主格（单数否定形式）,HeisEddie.SheisKitty.ItisSam.,not,not,not,HeisntEddie.SheisntKitty.ItisntSam.,rfref,mjm,be动词的缩写,Iam=ImYouare=YoureHeis=HesSheis=Weare=Itis=Theyare=,Shes,Were,Its,Theyre,否定形式的缩写：,isnot=isntarenot=arent,amnot没有缩写形式！,Exercises肯定句改成否定句;,Youareaqueen.Heisshort.Itisapencil.Imaboy.Youarenine.Sheissmall.,概念：,简单地说，能用Yes/No(或相当于Yes/No)回答的疑问句叫一般疑问句。,有Be动词的陈述句改为一般疑问句的基本步骤(1),HeisKangkang.,SheisMary.,找出be动词将be动词放到最前面首字母大写,原来的首字母改掉,其他照抄句号改成问号,isSheMary.,IssheMary.,IssheMary?,IsheKangkang?,有Be动词的陈述句改为一般疑问句的基本步骤(2),IamKangkang.,IamMary.,找出be动词将be动词放到最前面主语是第一人称I改为第二人称you,对应am改成are(my改成your)句号改成问号,AmIMary.,AreyouMary.,AreyouMary?,AreyouKangkang?,一般疑问（SimpleQuesiton）,Itisafish.Theyarefish.Thisisyourbook.Iamastudent.Mysonisateacher.Thisisacar.,陈述句,一般疑问句,Isitafish?Aretheyfish?Isthisyourbook?Areyouasthdent?Isyoursonateacher?Isthisacar?,Exercises1,2)Mypensareblue._pensblue?,1)IamfromChina.,_fromChina?,Are,you,3)HeisZhangPeng._ZhangPeng?,Are,your,Is,he,4)Mikeisastudent._astudent?,Mike,Is,先用be的适当形式填空然后按照要求变换句型I_ateacher.一般疑问句：_肯定回答：_否定回答：_,am,Yes,Iam.,No,Iamnot.,No,Imnot.,缩写形式：,Areyouateacher?,先用be的适当形式填空然后按照要求变换句型Mymother_ateacher.一般疑问句：_肯定回答：_否定回答：_,is,Yes,sheis.,No,sheisnot.,No,sheisnt.,缩写形式：,Isyourmotherateacher?,She_fromCanada.一般疑问句：_肯定回答：_否定回答：_,is,缩写形式：,No,sheisnot.,Yes,sheis.,No,sheisnt.,IsshefromCanada?,_wehappy?陈述句：_肯定回答：_否定回答：_,Are,缩写形式：,No,wearenot.,Yes,weare.,No,wearent.,Wearehappy.,They_workers.一般疑问句：_肯定回答：_否定回答：_,are,缩写形式：,Yes,theyare.,No,theyarenot.,No,theyarent.,Aretheyworkers?,_(它是)anapple.一般疑问句：_肯定回答：_否定回答：_,is,It,缩写形式：,Yes,itis.,No,itisnot.,No,itisnt.,Isitanapple?,有情态动词的陈述句改为一般疑问句的基本步骤(1),Hecanswim.,Shewillgohomesoon.,找出情态动词将情态动词放到最前面首字母大写,原来的首字母改掉,其他照抄句号改成问号,willShegohomesoon.,Willshegohomesoon.,Willshegohomesoon?,Canheswim?,有情态动词的陈述句改为一般疑问句的基本步骤(2),Mysistercanswim.,IcanspeakEnglish.,找出情态动词将情态动词放到最前面主语是第一人称I改为第二人称you(my改成your)句号改成问号,CanIspeakEnglish.,CanyouspeakEnglish.,CanyouspeakEnglish?,Canyoursisterswim?,一般疑问（SimpleQuesiton）,Itwillbefinelater.Theycandance.Thebirdcanfly.Icanrideabike.Theywillhavefun.Myfriendscouldwriteattheageoffive,陈述句,一般疑问句,Willitbefinelater?Cantheydance?Canthebirdfly?Canyourideabike?Willtheyhavefun?Couldyourfriendswriteattheageoffive?,Exercises1,2)Theycouldsingwhentheywere3._singwhentheywere3?,1)Iwillgototheparkbybike.,_gototheparkbybike?,Will,you,3)Mysoncansinganddance._sonsinganddance?,Could,they,Can,4)Mikewouldlikeacakeforbreakfast._likeacakeforbreakfast?,Mike,Would,your,_CanhespeakEnglish?陈述句：_肯定回答：_否定回答：_,缩写形式：,No,hecannot.,Yes,hecan.,No,hecant.,HecanspeakEnglish.,_CanyouspeakEnglish?陈述句：_肯定回答：_否定回答：_,缩写形式：,No,Icannot.,Yes,Ican.,No,Icant.,IcanspeakEnglish.,所以我们可以得出结论,1.如果肯定句中有be动词（am,is,are,was,were）,或情态动词（will,can,could,must,等），只需将be动词提前构成一般疑问句;主语若为第一人称I要改成第二人称you,my改成your.2.如果肯定句中有be动词（am,is,are,was,were）,或情态动词（will,can,could,must,等），只需将be动词或情态动词之后加not即可得到相应的否定句。,记得把some改成any哦！,如果句子中没有be动词、情态动词，那么句子要怎么变成一般疑问句和否定句呢？,如果句子中没有be动词、情态动词，则需要借助助动词do,does或did，将它们放在句首，并将句中实义动词变为原形，若主语为第一人称I，则改为第二人称you，my改成your!,改为一般疑问句,注意：do,does,did后面必须使用动词原形。,助动词Do,1.Theygotoschoolbybusonweekdays,Dotheygotoschoolbybusonweekdays?,2.Myparents/Iusuallytakeawalkafterdinner.,Doyourparents/youusuallytakeawalkafterdinner?,-Yes,theydo./Notheydont,-Yes,they/Ido./Nothey/Idont,助动词Does,1.Hegoestoschoolbybusonweekdays,Doeshegotoschoolbybusonweekdays?,2.Myparentusuallytakesawalkafterdinner.,Doesyourparentusuallytakeawalkafterdinner?,-Yes,hedoes./Nohedoesnt,-Yes,hedoes./Nohedoesnt,助动词Did,1.Kangkangwenttoschoolbybuslastweek,DidKangkanggotoschoolbybuslastweek?,2.Myparentstookawalkyesterday.,Didyourparentstakeawalkafterdinner?,Yes,hedid./No,hedidnt.,Yes,theydid./No,theydidnt.,如果句子中没有be动词、情态动词，则需要借助助动词dont,doesnt或didnt,放于动词之前，主语之后。,改为否定句,注意：do,does,did后面必须使用动词原形。,否定：+dont,1.Theygotoschoolbybusonweekdays,Theydontgotoschoolbybusonweekdays.,2.Myparentsusuallytakeawalkafterdinner.,Myparentsdontusuallytakeawalkafterdinner.,否定：+doesnt,1.Hegoestoschoolbybusonweekdays,Hedoesntgotoschoolbybusonweekdays.,2.Myparentusuallytakesawalkafterdinner.,Myparentdoesntusuallytakeawalkafterdinner.,否定：+didnt,1.Kangkangwenttoschoolbybuslastweek,Kangkangdidntgotoschoolbybuslastweek.,2.Myparentstookawalkyesterday.,Myparentsdidnttakeawalkyesterday.,Conclusion,结构肯定句：主语+be动词/实义动词/情态动词+其他否定句：主语+be动词/助动词/情态动词+not+其他一般疑问句：Be动词/助动词/情态动词+主语+其他？,练一练！,将下列句子变为否定句1.Thedogisbiggerthanthecat.Thedog_biggerthanthecat.答案：Thedogisnotbiggerthanthecat.2.MyEnglishteacherspeaksEnglishveryfast.MyEnglishteacher_Englishveryfast.答案：MyEnglishteacherdoesntspeakEnglishveryfast.3.Hecaneatthreehamburgersatatime.He_eatthreehamburgersatatime.答案：Hecanteatthreehamburgersatatime.,4.Susiefoundsomemoneyonherwaytoschool.Susie_moneyonherwaytoschool.答案：Susiedidntfindanymoneyonherwaytoschool.5.Myfatherisveryhard-working.Myfather_veryhard-working.答案：Myfath